JPS6243147B2 - - Google Patents
Info
- Publication number
- JPS6243147B2 JPS6243147B2 JP1297776A JP1297776A JPS6243147B2 JP S6243147 B2 JPS6243147 B2 JP S6243147B2 JP 1297776 A JP1297776 A JP 1297776A JP 1297776 A JP1297776 A JP 1297776A JP S6243147 B2 JPS6243147 B2 JP S6243147B2
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- rotor
- coil
- current
- pole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010453 quartz Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
- G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1297776A JPS5296066A (en) | 1976-02-09 | 1976-02-09 | Electronic wrist watch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1297776A JPS5296066A (en) | 1976-02-09 | 1976-02-09 | Electronic wrist watch |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5296066A JPS5296066A (en) | 1977-08-12 |
JPS6243147B2 true JPS6243147B2 (id) | 1987-09-11 |
Family
ID=11820272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1297776A Granted JPS5296066A (en) | 1976-02-09 | 1976-02-09 | Electronic wrist watch |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5296066A (id) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0234749U (id) * | 1988-08-29 | 1990-03-06 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56164984A (en) * | 1980-05-23 | 1981-12-18 | Seiko Instr & Electronics Ltd | Electronic watch |
JPS56168183A (en) * | 1980-05-28 | 1981-12-24 | Citizen Watch Co Ltd | Driving system of step motor for watch |
JPS57182680A (en) * | 1981-05-07 | 1982-11-10 | Seiko Epson Corp | Analog electronic clock |
JPS58213278A (ja) * | 1982-06-04 | 1983-12-12 | Citizen Watch Co Ltd | 電子時計のステツプモ−タの逆転駆動方式 |
JPH0810997B2 (ja) * | 1991-09-09 | 1996-01-31 | セイコーエプソン株式会社 | 電子時計の駆動方法 |
-
1976
- 1976-02-09 JP JP1297776A patent/JPS5296066A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0234749U (id) * | 1988-08-29 | 1990-03-06 |
Also Published As
Publication number | Publication date |
---|---|
JPS5296066A (en) | 1977-08-12 |
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